(urth) The Apu-Punchau Eclipse

[Andy Robertson]

Dan'l Danehy-Oakes writes: 

> The numbers I've seen for an effective solar sail are in the range of
> tens of thousands of miles.

Cordwainer Smith's solar sails spring to mind.  In the framing story of "The 
Lady who sailed The Soul" there is a casual note that at one time the sails 
of one interstellar ship accidentally shaded the whole Earth. 

Mr Wolfe, are you **sure** you never read Cordwainer Smith??? 


 - hartshorn